The health of Pope Francis remains unclear as the faithful have gathered in St. Peter’s Square nightly to pray for his recovery. The 88-year-old pontiff was hospitalized almost two weeks ago, suffering from double pneumonia and mild renal insufficiency.

Pope Francis, battling pneumonia in both lungs, slept well and is resting, the Vatican said Thursday, after revealing the 88-year-old’s condition was slightly improving. The pontiff, who had part of one of his lungs removed as a young man,

Thousands of people gathered in St. Peter’s Square to pray for an ailing Pope Francis, expressing sorrow for his suffering, hope for his recovery and gratitude for his efforts to steer the Catholic Ch